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Listar por autor "Villa Alfageme, María"
Mostrando ítems 21-40 de 40
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Tesis Doctoral
Optimización de métodos para la determinación de radioestroncio en muestras biológicas por radiación Cerenkov
Rivera Silva, Jorge (2022-04-22)En este estudio se optimizan dos de los métodos para la medida de 90Sr en muestras biológicas y sedimentos, que se emplean ...
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Trabajo Fin de Grado
Puesta a punto de una nueva técnica radiométrica para la medida del par radiactivo 210Pb/210Po en el oceáno
López Rodríguez, Álvaro (2023-07-06)Nuestro trabajo ha consistido en el desarrollo de un nuevo método de medida de la pareja 210Pb/210Po en el océano a lo ...
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Artículo
Quantification and comparison of the reaction properties of FEBEX and MX-80 clays with saponite: Europium immobilisers under subcritical conditions
Villa Alfageme, María; Castro Arroyo, Miguel Ángel; El Mrabet, Said; Orta Cuevas, María del Mar; Pazos Zarama, Mery Carolina; Alba, María D. (Elsevier, 2014)The evaluation of the retention mechanisms in FEBEX and MX-80 bentonites, selected as reference materials to construct ...
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Artículo
Radionuclide activities and metal concentrations in sediments of the Sebou Estuary, NW Morocco, following a flooding event
Laissaoui, A.; Más Balbuena, José Luis; Hurtado Bermúdez, Santiago José; Villa Alfageme, María; Benmansour, M. (Springer, 2013)This study presents metal concentrations (Fe, Mg, Mn, Co, Cu, Zn, Pb, As, Sr and V) and radionuclide activities (40K, ...
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Artículo
Rapid determination of Pb-210 and Po-210 in water and application to marine samples
Villa Alfageme, María; Más Balbuena, José Luis; Hurtado Bermúdez, Santiago José; Masqué, Pere (Elsevier Science BV, 2016)Measurement of radionuclides in marine samples, specifically radioactive pairs disequilibrium, has gained interest lately ...
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Artículo
Recent evolution of 129-I levels in the Nordic Seas and the North Atlantic Ocean
Vivo Vilches, Carlos; López Gutiérrez, José María; Periáñez Rodríguez, Raúl; Marcinko, Charlotte; Le Moigne, Frederic; McGinnity, Paul; Peruchena, Juan Ignacio; Villa Alfageme, María (Elsevier, 2018)Most of the anthropogenic radionuclide 129I released to the marine environment from the nuclear fuel reprocessing plants ...
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Artículo
Recycling Bio-BasedWastes into Road-Base Binder: Mechanical, Leaching, and Radiological Implications
Peceño, Begoña; Hurtado Bermúdez, Santiago José; Alonso-Fariñas, Bernabé; Villa Alfageme, María; Más Balbuena, José Luis; Leiva Fernández, Carlos (MDPI, 2023-01)This work presents a physical, mechanical, durability, leaching, and radiological assay of three wastes (egg and scallop ...
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Artículo
Revisiting five decades of 234Th data: a comprehensive global oceanic compilation
Ceballos Romero, Elena; Buesseler, Ken O.; Villa Alfageme, María (Copernicus Publications, 2022)We present here a global oceanic compilation of 234Th measurements that collects results from researchers and laboratories ...
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Artículo
Self-cleaning in an estuarine area formerly affected by 226Ra anthropogenic enhancements
Absi, Abdeslam; Villa Alfageme, María; Moreno González, Helena Patricia; Manjón Collado, Guillermo; Periáñez Rodríguez, Raúl (Elsevier, 2004)The estuary of the Odiel River has been affected by both direct discharges of phosphogypsum (radium enriched industrial ...
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Artículo
Self-cleaning in an estuarine area formerly affected by 226Ra anthropogenic enhancements: numerical simulations
Periáñez Rodríguez, Raúl; Absi, Abdeslam; Villa Alfageme, María; Moreno González, Helena Patricia; Manjón Collado, Guillermo (Elsevier, 2005)A numerical model of the Odiel–Tinto estuary (Spain) has been developed to study the self-cleaning process that was evidenced ...
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Tesis Doctoral
Study of the key processes in the export and storage of carbon in the oceans through radioactive pairs: 234Th-238U and 210Po-210Pb
Ceballos Romero, Elena (2019-04-12) -
Tesis Doctoral
Técnicas experimentales para la medida por centelleo líquido de la actividad de emisores beta en el medioambiente
Villa Alfageme, María (2004) -
Artículo
The behaviour of 236-U in the North Atlantic Ocean assessed from numerical modelling: A new evaluation of the input function into the Arctic
Periáñez Rodríguez, Raúl; Suh, Kyunk-Suk; Min, Byung-Il; Villa Alfageme, María (Elsevier, 2018)-
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Artículo
The behaviour of I-129 released from nuclear fuel reprocessing factories in the North Atlantic Ocean and transport to the Arctic assessed from numerical modelling
Villa Alfageme, María; López Gutiérrez, José María; Suh, Kyunk-Suk; Min, Byung-Il; Periáñez Rodríguez, Raúl (Elsevier, 2015)A quantitative evaluation of the fate of 129I, released from the European reprocessing plants of Sellafield (UK) and La ...
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Artículo
The GEOTRACES Intermediate Data Product 2017
Schlitzer, Reiner; Anderson, Robert F.; Masferrer Dodas, Elena; Lohan, Maeve; Villa Alfageme, María (Elsevier, 2018)The GEOTRACES Intermediate Data Product 2017 (IDP2017) is the second publicly available data product of the international ...
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Ponencia
Time evolution of activity concentration of natural emitters in a scenario affected by previous phosphogypsum contamination
Villa Alfageme, María; Mantero Cabrera, Juan; Mosqueda Peña, Fernando; Hurtado Bermúdez, Santiago José; Manjón Collado, Guillermo; Vaca, Francisco; García-Tenorio García-Balmaseda, Rafael (2008-09)The estuary formed by the confluence of Tinto and Odiel river-mouths is located in the South of Spain, close ...
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Artículo
Uranium immobilization by FEBEX bentonite and steel barriers in hydrothermal conditions
Villa Alfageme, María; Hurtado Bermúdez, Santiago José; El Mrabet, Said; Pazos Zarama, Mery Carolina; Castro Arroyo, Miguel Ángel; Alba, María D. (Elsevier, 2015)FEBEX clay is considered a reference material in engineered barriers for safe storage of nuclear waste and uranium is a ...
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Trabajo Fin de Máster
Uso del par radioactivo 210Po-210Pb en la zona subtropical de Benguela como trazador de velocidades de hundimiento de partículas y flujos de carbono en el océano
Muñoz Nevado, Carlos (2022)In this Master’s Thesis, we will briefly describe the role of the ocean in sequestering at mospheric carbon, we will apply ...
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Trabajo Fin de Máster
Uso reciente de 129l y 137Cs como trazadores en oceanografía: estudio de dos casos
Abascal Ruíz, Unai (2021) -
Artículo
Vertical imbalance in organic carbon budgets is indicative of a missing vertical transfer during a phytoplankton bloom near South Georgia (COMICS)
Giering, Sarah Lou Carolin; Sanders, Richard; Blackbird, Sabena; Briggs, Nathan; Carvalho, Filipa; East, H.; Espinola, Benoit; Henson, Stephanie A.; Kiriakoulakis, Kostas; Iversen, Morten H.; Lampitt, Richard S.; Pabortsava, Katsiaryna; Pebody, Corinne; Peel, Kate; Preece, Calum; Saw, Kevin; Villa Alfageme, María; Wolff, George A. (Elsevier, 2023-06)The biological carbon pump, driven principally by the surface production of sinking organic matter and its subsequent ...